9994651 has 4 divisors (see below), whose sum is σ = 10004904. Its totient is φ = 9984400.

The previous prime is 9994631. The next prime is 9994669. The reversal of 9994651 is 1564999.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 9994651 - 2⁹ = 9994139 is a prime.

It is a super-2 number, since 2×9994651² = 199786097223602, which contains 22 as substring.

It is a Duffinian number.

9994651 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9994598 and 9994607.

It is not an unprimeable number, because it can be changed into a prime (9994631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3490 + ... + 5671.

It is an arithmetic number, because the mean of its divisors is an integer number (2501226).

Almost surely, 2^9994651 is an apocalyptic number.

9994651 is a deficient number, since it is larger than the sum of its proper divisors (10253).

9994651 is a wasteful number, since it uses less digits than its factorization.

9994651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10252.

The product of its digits is 87480, while the sum is 43.

The square root of 9994651 is about 3161.4317958798. The cubic root of 9994651 is about 215.4050485815.

The spelling of 9994651 in words is "nine million, nine hundred ninety-four thousand, six hundred fifty-one".